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Volume 1 Issue 7

ENVIRONMENTAL IMPACT ASSESSMENT OF POPULATION DENSITY IN THE GARDEN AREA KARACHI (PRE-PARTITION TO POST-PARTITION PERIOD).

Author: Bashir Ahmed Abbasi

Abstract: The proposed project is concerned with population density from pre-partition to post-partition period in Garden Area Karachi. The immense load of population and its activities has created multiple problems with serious social and environmental concerns in the area. Once Garden Quarters were most beautiful and planned area of Karachi, now its worst affected area, densely populated, with severe and serious environmental impacts in terms of construction planning and development, environmental degradation such as; air, noise pollutions, inadequate system of solid waste management. In addition to, that the development of.................Read more

Abstract:The hydrogels are very much useful in the bio-medical engineering field. The wide applications of hydrogel urged us to do the present investigation. Hydrogel between poly(acrylic acid) (PAA) and epichlorohydrin (ECH), and poly(vinyl alcohol) (PVA) and ECH were prepared by simple chemical grafting reaction. The hydrogels were prepared in the presence of Fe3O4 nanoparticle (NP) at 450C under nitrogen atmosphere. Thus synthesized magnetic Nanocomposite hydrogels were characterized by fourier transform infrared (FTIR) spectroscopy, differential scanning calorimetry (DSC), thermogravimetric................Read more

THE EFFECT OF DIRECT AND INDIRECT USE OF NANOPARTICLES ON COTTON LEAF WORM, SPODOPTERA LITTORALIS.

Author: Rania Ahmed Abd El-Wahab & Ehab M. Anwar

Abstract: Nanoparticles proved its important role to control pests even by directly use or indirectly as an additive to other pesticides. Copper and Zinc Nanoparticles showed significant effect on the 2nd instar larvae of Spodoptera littoralis even alone or combined with Vertimec.
ZnO, CuO+Vertimec, ZnO+Vertimec, and CuO nanoparticles and Vertimc caused mortality with 100, 100, 86.67, 73.33 and 33.33 %, resp. Some treatments showed malformation and morphological changes by nanoparticles adsorption through the integument of the 2nd larval stage of Spodoptera littoralis.
Most of the dead larvae..................Read more

LARVICIDAL POTENTIALITY OF THE BANDOTAN (AGERATUM CONYZOIDES) LEAVES FOR CONTROLLING THE THREE IMPORTANT SPECIES OF MOSQUITOES (AEDES AEGYPTI, CULEX QUINQUEFASCIATUS AND ANOPHELES MACULATUS).

Abstract: Mosquitoes transmit serious human diseases, causing millions of deaths every year. However, mosquito control is facing a threat due to the emergence of resistance to synthetic insecticides. With regard this issue insecticides of plant origin may serve as a promising alternative bio-control techniques .Consequently, the purpose of this study was to assess the larvicidal potentiality of Bandotan (Ageratum conyzoides), an annual herb with a long history of traditional medicinal uses in many countries in the world, for controlling three most important species of mosquitoes such as Aedes aegypti, Culex quinquefasciatus..................Read more